20218150390

素因数分解:

$2^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{4019513}}^1$

素因数の和:4020023

約数の個数: 16

約数和(自身を含む): 36465031008

約数和(自身を除く): 16246880618

約数列:

[1, 2, 5, 10, 503, 1006, 2515, 5030, 4019513, 8039026, 20097565, 40195130, 2021815039, 4043630078, 10109075195, 20218150390]

約数ペア:

[(1, 20218150390), (2, 10109075195), (5, 4043630078), (10, 2021815039), (503, 40195130), (1006, 20097565), (2515, 8039026), (5030, 4019513)]